It would be nice if carts could be designated as 'do not transfer' and then no longer show up when you are moving units between armies os that you don't accidentally transfer carts that are performing functions in your town over the carts you just built to go on a trade run.

It would also be nice to apply this to other units as well, like archers you want to stay on your wall, or other melee infantry used in defense.
also, maybe set carts and peasants to start with this enabled.

-Blaz

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"Showing mercy is a sign of weakness, Showing it in front of me is a Death sentance"